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TheraBracelet Stimulation During Task-Practice Therapy to Improve Upper Extremity Function After Stroke: A Pilot

Na J Seo1, Michelle L Woodbury2, Leonardo Bonilha3

  • 1Division of Occupation Therapy, Department of Health Professions, Department of Health Sciences and Research, Medical University of South Carolina, 151B Rutledge Ave, Charleston, SC 29425 (USA).

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Summary
This summary is machine-generated.

TheraBracelet, a novel wrist stimulation device, shows promise for enhancing upper extremity motor recovery in stroke survivors. This feasible intervention improved Box and Block Test scores without adverse events, suggesting potential as a therapy adjuvant.

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Area of Science:

  • Neurorehabilitation
  • Biomedical engineering
  • Clinical trials

Background:

  • Peripheral sensory stimulation aids upper extremity movement therapy post-stroke.
  • Existing methods interfere with natural hand tasks, requiring separate administration.
  • TheraBracelet offers subthreshold vibratory stimulation during hand tasks, overcoming current limitations.

Purpose of the Study:

  • To determine the feasibility of using TheraBracelet during therapy to augment motor recovery after stroke.
  • To evaluate TheraBracelet's safety and efficacy in a pilot randomized controlled trial.

Main Methods:

  • A triple-blinded pilot randomized controlled trial was conducted.
  • Twelve chronic stroke survivors received 2-hour task practice therapy sessions thrice weekly for 2 weeks.
  • Participants wore a vibrator on the paretic wrist; the treatment group received active TheraBracelet stimulation, while the control group received sham stimulation.

Main Results:

  • TheraBracelet intervention was feasible and safe, with no adverse events reported.
  • The treatment group showed significant improvements in Box and Block Test scores post-therapy and at follow-up.
  • Large effect sizes were observed for both Box and Block Test and Wolf Motor Function Test, with no desensitization noted.

Conclusions:

  • TheraBracelet is a promising, non-interfering adjuvant therapy for improving upper extremity motor function after stroke.
  • Further research with larger sample sizes is warranted to confirm these findings.
  • The device's ability to be used during therapy sessions enhances patient compliance and potential for motor gains.